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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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66 | wp_add_dashboard_widget( 'dashboard_primary', __( 'WordPress Events and News' ), 'wp_dashboard_events_news' ); |
67 |
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68 | if ( is_network_admin() ) { |
69 |
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70 | /** |
71 | * Fires after core widgets for the Network Admin dashboard have been registered. |
72 | * |
73 | * @since 3.1.0 |
74 | */ |
75 | do_action( 'wp_network_dashboard_setup' ); |
76 |
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77 | /** |
78 | * Filters the list of widgets to load for the Network Admin dashboard. |
79 | * |
80 | * @since 3.1.0 |
81 | * |
82 | * @param string[] $dashboard_widgets An array of dashboard widget IDs. |
83 | */ |
84 | $dashboard_widgets = apply_filters( 'wp_network_dashboard_widgets', array() ); |